STOCKHOLM--(BUSINESS WIRE)--Regulatory News: Karolinska Development AB (STO:KDEV) announces today that it will exchange its holding of shares in Oncopeptides AB for Industrifonden’s holding of shares in Aprea AB, giving Karolinska Development control of 69.4% of Aprea AB. Karolinska Development AB owned 43.4% of Oncopeptides AB and 41.1% of Aprea AB prior to the transaction. The transaction is not expected to have a material effect on Karolinska Development’s financial statement.